Re: [PATCH v2 3/6] dmaengine: dw: Set DMA device max segment size parameter

Andy Shevchenko
2020-05-15T10:53:19Z

On Fri, May 15, 2020 at 11:46:01AM +0530, Vinod Koul wrote:
> On 12-05-20, 15:35, Andy Shevchenko wrote:
> > On Tue, May 12, 2020 at 12:16:22AM +0300, Serge Semin wrote:
> > > On Fri, May 08, 2020 at 02:21:52PM +0300, Andy Shevchenko wrote:
> > > > On Fri, May 08, 2020 at 01:53:01PM +0300, Serge Semin wrote:

...

> > My point here that we probably can avoid complications till we have real
> > hardware where it's different. As I said I don't remember a such, except
> > *maybe* Intel Medfield, which is quite outdated and not supported for wider
> > audience anyway.
>
> IIRC Intel Medfield has couple of dma controller instances each one with
> different parameters *but* each instance has same channel configuration.

That's my memory too.

> I do not recall seeing that we have synthesis parameters per channel
> basis... But I maybe wrong, it's been a while.

Exactly, that's why I think we better simplify things till we will have real
issue with it. I.o.w. no need to solve the problem which doesn't exist.

--
With Best Regards,
Andy Shevchenko